Planet Eris and the Global Warming - Cristian Negureanu

EL PLANETA ERIS Y EL CALENTAMIENTO GLOBAL

Planeta Eris si incalzirea globala - Cristian Negureanu

vineri, 2 octombrie 2009

Post-human Earth: How the planet will recover from us

Let's suppose that happens. Humanity's ever-expanding footprint on the natural world leads, in two or three hundred years, to ecological collapse and a mass extinction. Without fossil fuels to support agriculture, humanity would be in trouble. "A lot of things have to die, and a lot of those things are going to be people," says Tony Barnosky, a palaeontologist at the University of California, Berkeley. In this most pessimistic of scenarios, society would collapse, leaving just a few hundred thousand eking out a meagre existence in a new Stone Age. Full story:http://www.newscientist.com/article/mg20427281.300-posthuman-earth-how-the-planet-will-recover-from-us.html?full=true